v3.26.1
Recent Financing Transactions - BHE (Details)
$ in Millions
 1 Months Ended
Apr. 30, 2026
USD ($)
day
Jul. 31, 2026
USD ($)
Jun. 30, 2026
USD ($)
Mar. 31, 2026
USD ($)
Feb. 28, 2026
USD ($)
Senior Secured Notes, Series 2026-1 Due July 2056 | AltaLink, L.P. | Subsidiary, senior debt | Subsequent event          
Debt Instrument [Line Items]          
Debt, face amount   $ 350      
Stated interest rate   5.111%      
First Mortgage Bonds, 4.65%, Due 2029 | PAC | Subsidiary, senior debt          
Debt Instrument [Line Items]          
Debt, face amount       $ 300  
Stated interest rate       4.65%  
First Mortgage Bonds, 5.10%, Due 2031 | PAC | Subsidiary, senior debt          
Debt Instrument [Line Items]          
Debt, face amount       $ 550  
Stated interest rate       5.10%  
First Mortgage Bonds, 5.45%, Due 2033 | PAC | Subsidiary, senior debt          
Debt Instrument [Line Items]          
Debt, face amount       $ 800  
Stated interest rate       5.45%  
First Mortgage Bonds, 5.80%, Due 2036 | PAC | Subsidiary, senior debt          
Debt Instrument [Line Items]          
Debt, face amount       $ 850  
Stated interest rate       5.80%  
First Mortgage Bonds, 4.25%, Due 2029 | PAC | Subsidiary, senior debt          
Debt Instrument [Line Items]          
Debt, face amount         $ 400
Stated interest rate         4.25%
Junior Subordinated Debt, 6.375%, Due 2056 | SPPC | Subsidiary, junior subordinated debt          
Debt Instrument [Line Items]          
Debt, face amount       $ 600  
Stated interest rate       6.375%  
Interest rate reset period       5 years  
Junior Subordinated Debt, 7.125%, Due 2056 | PAC | Subsidiary, junior subordinated debt          
Debt Instrument [Line Items]          
Debt, face amount         $ 1,100
Stated interest rate         7.125%
Interest rate reset period         5 years
Unsecured credit facility, $3.5 billion, expiring June 2029 | Line of credit          
Debt Instrument [Line Items]          
Maximum borrowing capacity     $ 3,500    
Unsecured credit facility, PacifiCorp, expiring June 2028 | PAC | Line of credit          
Debt Instrument [Line Items]          
Maximum borrowing capacity     2,000    
Unsecured Credit Facility, PacifiCorp, expiring June 2029 | PAC | Line of credit          
Debt Instrument [Line Items]          
Maximum borrowing capacity     3,000    
Unsecured credit facility, PacifiCorp, expiring June 2026 | PAC | Line of credit          
Debt Instrument [Line Items]          
Maximum borrowing capacity     900    
Unsecured credit facility, MEC, expiring June 2029 | MEC | Line of credit          
Debt Instrument [Line Items]          
Maximum borrowing capacity     1,500    
Secured Credit Facility, $600 Million, Expiring June 2029 | NPC | Line of credit          
Debt Instrument [Line Items]          
Maximum borrowing capacity     600    
Secured Credit Facility, $400 Million, expiring June 2029 | SPPC | Line of credit          
Debt Instrument [Line Items]          
Maximum borrowing capacity     $ 400    
Letter of Credit Facility, Expiring 2028 | PAC | Letter of credit          
Debt Instrument [Line Items]          
Debt term 2 years        
Maximum borrowing capacity $ 2,550        
Termination, threshold trading days | day 91        
Cash collateral, percentage of obligation 103.00%        
Surety Facility | PAC | Line of credit          
Debt Instrument [Line Items]          
Maximum borrowing capacity $ 2,550